我想要实现的是改变mRectangles属性,例如用户在设置中更改它的持续时间。我读过,我想使用modifier.reset()与原始的各自参数。我似乎无法弄清楚我应该通过第四个参数。是否有我应该调用的变量或函数来获取正确的上下文?如何更新Andengine的实体修饰符?
@Override
public void onPopulateScene(Scene pScene,
OnPopulateSceneCallback pOnPopulateSceneCallback) throws Exception {
// TODO Auto-generated method stub
Rectangle mRectangle = new Rectangle(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT,
mEngine.getVertexBufferObjectManager());
// With this anonymous function, you can add events to the beginning and end
// of the modified state
IEntityModifierListener mIEntityModifierListener = new IEntityModifierListener() {
@Override
public void onModifierStarted(IModifier<IEntity> pModifier,
IEntity pItem) {
// Grab the current duration value and compare it to the
// one that's stored
final int mDuration = (int) pModifier.getDuration();
Log.i("MODIFIER", "Current duration value: " + mDuration);
if(mDuration != mDurationPref)
{
Log.i("UPDATEDURATION","Duration value: " + mDurationPref);
mFinalDuration = mDurationPref;
pModifier.reset();
}
else
{
Log.i("UPDATEDURATION","Both values match: " + COLORONE_DEFAULT);
mFinalDuration = COLORONE_DEFAULT;
}
}
@Override
public void onModifierFinished(IModifier<IEntity> pModifier,
IEntity pItem) {
// TODO Auto-generated method stub
Log.i("MODIFIER", "It finished!");
}
};
Log.i("FINALDURATIONVALUE", "Final duration: " + mFinalDuration);
// This is where you can chain up the colors
// TODO: Make this in to a function that interpolates the colors together
ColorModifier mColorModifier = new ColorModifier(5, Color.CYAN,
Color.RED, mIEntityModifierListener, EaseSineIn.getInstance());
ColorModifier tColorModifier = new ColorModifier(5, Color.RED,
Color.CYAN, EaseSineInOut.getInstance());
ColorModifier iColorModifier = new ColorModifier(5, Color.CYAN,
Color.GREEN, mIEntityModifierListener, EaseSineIn.getInstance());
ColorModifier xColorModifier = new ColorModifier(5, Color.GREEN,
Color.YELLOW, EaseSineInOut.getInstance());
ColorModifier yColorModifier = new ColorModifier(5, Color.YELLOW,
Color.CYAN, mIEntityModifierListener, EaseSineIn.getInstance());
// The sequence modifier will go through the color modifiers
// and the loop entity modifier makes it continuous
SequenceEntityModifier mSequenceEntityModifier = new SequenceEntityModifier(
mColorModifier, tColorModifier, iColorModifier, xColorModifier,
yColorModifier);
LoopEntityModifier mLoopEntityModifier = new LoopEntityModifier(
mSequenceEntityModifier);
mRectangle.registerEntityModifier(mLoopEntityModifier);
scene.attachChild(mRectangle);
pOnPopulateSceneCallback.onPopulateSceneFinished();
}
你能澄清你在问什么吗?你提到你的目标是“改变mRectangles属性,如持续时间”,但是Rectangle没有持续时间属性。如果你的意思是改变修饰符的持续时间,为什么不传递硬编码值? (即,您的颜色修饰符的构造函数都具有硬编码5秒的持续时间)。 – 2013-02-25 09:16:39
是的,它最初是硬编码的,但我允许用户更改偏好活动的颜色和持续时间属性。这就是为什么我使用修饰符的接口方法。所以,我可以在线程中运行时检查属性。感谢您的反馈。 – wavyGravy 2013-02-25 16:40:13
那么你的问题是什么?如何用变量替换数字5? – 2013-02-25 16:54:50